From: Residual Stress Relaxation of Thin-walled Long Stringer Made of Aluminum Alloy 7050-T7451 under Transportation Vibration
Damping ratio
σxmax (MPa)
Uzmax (mm)
0.01
578.0
85.9
0.012
401.4
59.7
0.014
294.9
43.9
0.016
225.8
33.6
0.018
178.4
26.5
0.02
144.5
21.5
0.03
64.3
9.5